- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F27D - Details or accessories of furnaces, kilns, ovens, or retorts, in so far as they are of kinds occurring in more than one kind of furnace
- F27D 3/15 - Tapping equipment; Equipment for removing slag
Patent holdings for IPC class F27D 3/15
Total number of patents in this class: 192
10-year publication summary
|
25
|
10
|
14
|
19
|
24
|
13
|
11
|
16
|
10
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Refractory Intellectual Property GmbH & Co. KG | 524 |
17 |
| TMT - Tapping Measuring Technology SARL | 34 |
13 |
| TMT Tapping-Measuring-Technology GmbH | 13 |
7 |
| Primetals Technologies Austria GmbH | 512 |
6 |
| Tata Steel Limited | 190 |
6 |
| Danieli & C. Officine Meccaniche S.p.A. | 705 |
5 |
| SMS Siemag Aktiengesellschaft | 515 |
5 |
| Tmt-bbg Research and Development GmbH | 4 |
4 |
| ArcelorMittal | 2064 |
3 |
| More S.r.l. | 15 |
3 |
| SMS CONCAST ITALIA S.p.A. | 9 |
3 |
| Tenova S.p.A. | 154 |
3 |
| Wacker Chemie AG | 2106 |
3 |
| Siemens AG | 24565 |
2 |
| ABB Schweiz AG | 6632 |
2 |
| Badische Stahl Engineering GmbH, | 5 |
2 |
| Hatch Ltd. | 215 |
2 |
| Hyundai Steel Company | 350 |
2 |
| Nippon Steel Corporation | 6012 |
2 |
| Outotec (Finland) Oy | 489 |
2 |
| Other owners | 100 |